US Bridges

84th ST over US-131

Fair

Kent County, Michigan · 2.4 MI S of Wyoming · Structure no. 000000000004963

Built
1998
27 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
111 ft
2 main spans
Daily traffic
12,750
1998 count
Owner
State
State Highway Agency

About this bridge

84th ST over US-131 is a prestressed concrete box beam or girders - single or spread carrying 84th ST over US-131 in Kent County, Michigan. It was built in 1998, so it is 27 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 12,750 vehicles a day, roughly 3% of them trucks, projected to reach 13,150 by 2018. The structure is 111 ft (33.8 m) long and 93 ft wide.

Carries84th ST
CrossesUS-131
Location2.4 MI S of Wyoming
RouteCounty Highway 4108
Coordinates42.81171, -85.66873
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating74 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length111 ft (33.8 m)
Longest span55 ft (16.9 m)
Deck width93 ft (28.3 m)
Roadway width75 ft (22.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,750 (1998)
Projected traffic13,150 by 2018
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 84th ST over US-131 built?

It was built in 1998, making it 27 years old in 2025.

What condition is 84th ST over US-131 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does 84th ST over US-131 carry?

About 12,750 vehicles per day (1998 count), of which roughly 3% are trucks.

How long is 84th ST over US-131?

The structure is 111 ft (33.8 m) long with a longest span of 55 ft (16.9 m) and a deck 93 ft wide.

Who owns 84th ST over US-131?

It is owned by the State Highway Agency.